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Definition of Jet injector
1. Noun. A kind of medical syringe that uses a high-pressure narrow jet of liquid instead of a hypodermic needle to penetrate the epidermis. ¹
¹ Source: wiktionary.com
Medical Definition of Jet injector
1. An injector that uses high pressure to force a liquid through a small orifice at a velocity sufficient to penetrate skin or mucous membrane without the use of a needle. (05 Mar 2000)